Combined sash-balance and lock.



for

2 SHBBTS*SHEET 1.

PATENTED JAN. 30, 1906.

J. H. CORCORAN. COMBINED SASH BALANCE AND LUCK APPLICATION FILED DEG.19.1904.

(IU/n 'Hifi' 5 7%. CD4/myweb@ y@ No. 811.382. PATBNTED JAN. 30, 1906. J'. H. CORCORAN.

COMBINED SASH BALANCE ANI) LOCK.

APPLmATIoN EILBD BEGIN. m04.

' 2 SHEETS-SHEET 2.

siding at Kenosha, in

] and 'z5 view -of a 3p in the line 6 6-of Fig. 4, showing a portion of the balance and lock on the upper'sash. Fig.

3 5 single device and the releasingwedge therejacent stile, so that 5o these perfo'rations are secured has a drum d d', with, upon which `binedfSash-Balanceand Locks, ofwhich the' To this end my invention consists in cerzd elevation `of a window-frame and sash provided with my improved device.

, sash has on its opposite side a rack-bar b and naeinaee.

Be '1t knownA that l, JOHN H. CoRoonAN, a .citizen of the United States of America, re-

the county of Kenosha tate of Wisconsin, have invented certain new and useful Improvements in Gomiollorving is a specification.

Myinvcntion relates to certain new and ance and ocks; and its yobject is to produce a f device of this class which shall have certain advantages, which will appear more fully and at large in the course of this specification.

tain novelfeatures, which are shown in the. accompanying drawings as embodied in my preferred form of construction.

in the 'aforesaid draWings,'Figure 41 is an Fig. 2. is a vertical section in the line 2 2 of Fig.` 9. Fig.` 3 is a perspective view of one of the springs engaging lwith the sash. Fig. 4 is an en'd portion ofthe frame, a part being broken away in-Jverticalsection, the plane of the section being indicated by the line V4 4 of Figui. Fig. 5 is an elevation of the edge of oneof the sash. Fig: 6 is a vertical section 7 1s en elevation of the upper corner of one oi the frames of my device. Fig. 8 is a perspective view of the two locking-pawls oi a for, and Fig. 9 is a horizontal section in the line99ofFig. 1.

Referring to the drawings, A is a Windowframe of the ordinary form, in which are two The two sash are spring-prcssed springs t', supported on in one direction by the stile. Each of they the sash and engaging antiriction-rollers b2, bearing against the adthe sash will 'run easilyup and down. The stile, toward which the sash-are pressed, is providedl with two longitudinal perfora- 'tions, one adjacent to each of the sash., and in frames C C. In the frames C C are journaled pinions D D', extending through the periorations in the. i'rames and engaging with the rack-bars on the adjacent sash. Each ofthe pinions D D preferably integral theredrums are wound springs Specification of LetterslPatent. Application filed December 19, 1904.' Serial No. 237,357.

prpgvided with two perforations c c. beveled lifting-wedge H extends throug opening c of the lock andbalance ofthe lower ,sash and is placed with its beveled surface up to engage the pawls F G to raise them froml engagement with the pinion and permit the lower sash to be raised. A similar liftingwedge H extends through the opening c. This wedge has its beveled edge turned to one side to engage with the to move them away from their pinion to permit the upper sash to be lowered. These two lifting-wedges are exactly alike except in length, and it will be obvious that by t over the pawls and rotating the liftinwwedge and passing it through a dilierent perioration in the sash of the used interchangeably on an upper or lower sash. with heads h and are spring-prrssed outward bysprinos It. threaded Shanks i thre ded in the en s of the liftdin -wedges, are employed to push them in, an t i', which engage with'the rear ends oi sockets KENosHA, wiscompiliy;`

ponerme-.ri sass-ematica aan Leong] l E E, which tend. to holdthe `corresponding sashin a raised position.` Eacliiramehas piv- 'fotod to it two pawls, the pawls ofthe-device engaging with the lower nated kby F G and those on the dev-iceengagey l,iBri'gGnfith the upper sash Being designated by f one always engages Withwone'of thelteeth.'` of The pawls F Gr are sofamanged that the `pinion, while the other lies onftopuofra; tooth and does not engage therewith.' By the use of the two pawls-iot'diiierentlengths lost motion is decreasedjone orthe `other'of the pawls taking hold immediately vuponthe slightest backward movement of the pinion. The vpawls -F pawls F G, except that they are turned over Gare exactly'similar to" the` on their pivot and also esitendthererom ina direction ninety direction as viewed in Fig; 2, while the pawls F" Grl in engagethe pawls F G are their lown weight. It will be observed that these pawls when in engagement with the pinions make it impossible to raise the lower .f sash or lower the upper sash.

each oi the frames C G^is As uare The front face o vertical pawls F G frame a single device can be These two lifting-wedges are provided Push-buttonsh avm screwe Shanks 'i are provided with lock-nuts sash being desigf the Patented dan. l I

degrees removed from. the lpawls F Gr. In this way the pawls F G prevent the rotation of the pinion Dv in a righthand pawls F G prevent rotation of the pinion D in a left-hand direction as'viewed in Fig. 6. A spring holds the ment with the` corresponding pinion, while held in engagement byl 'les zio

i2, in which the push-buttons'move to limit outward movement ofthe push-buttons and lifting-Wedges. The screw-,threaded connection between the lifting-wedge and push-button provides means for positioning the liftingwedge with respect' to the pawlsregardless of i the distance ofthe socket away from the proved device serves both lower sash or lowering ofthe upper sash 11n-.f4

less the push-buttons are pressed, which can only be done from the inside of the window. I realize that considerable variation is possible in the details of this construction Without departing from the spirit of my inven- I do not, therefore, intend to limit tion, and l and myself tothe specific 'form herein shown described.

I claim asnew and desire to secure by Letters Patentl. In a device ofthe class described, the? combination with a window and sash, of a rack-baron one side of the sash, a pinion in engagement with said rack-b ar, a pawl engaging the teeth ofV he pinion, a wedge engaging the pawl -to'discngage it from the pinion havhorizontal plane, verse rotation of the pinion sition wit application for Lettersin the county of Kenosha and State of Wising a flange upon its outer end, aspring engaving said ange and adapted to normally ho d the wed e out of engagement with the pawl, a pushutton threaded on said wedge and a collar threaded upon said push-button and adapted to limit the outward movement thereof.

2. In a device of the class described, the combinationwith a window, sash, and a rackbarv mounted on one edge thereof, of a lockcasing, a pinion journal'ed therein and in 'mesh with said rack-bar, a spring upon said ,pinion tending to ra'se the sash, a pawl pivoted on the casing and capable of engagement with the pinion to prevent rotation thereof in one direction when hung in a substantially andadapted to prevent re- I when hung lin a substantially vertical plane, a wedge adapted to coact with the pawl when hung in either position to throw the same out of engagement with the pinion and two openings in the casing arran ed to guide said wedge in either porespect to the pawl. Inv witness whereof I have signed the above Patent at Kenosha,

consin,.this 12th day of December, A111904. l JOHN H; CORCORAN. Witnesses:

JAMES, CAYANAGH, JOHN. P. WArTLEs. 

